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Finding the Fourth Proportional to 489,055.80, 733,591.38 and 222,805.56

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Solution

The fourth proportional to 489,055.80, 733,591.38 and 222,805.56 is: 334,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,055.80 : 733,591.38 = 222,805.56 : x
  2. Step 2: Convert to fraction form
    489,055.80/733,591.38 = 222,805.56/x
  3. Step 3: Cross multiply
    489,055.80x = 733,591.38 × 222,805.56
  4. Step 4: Simplify right side
    489,055.80x = 163,448,238,232.07
  5. Step 5: Solve for x
    x = 163,448,238,232.07/489,055.80
  6. Step 6: Final answer
    x = 334,211.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.